Diy Canoe Building Plans Meaning

Hey there! We receieved your request. Data handling means to collect and present the data so that it could be used in further studies and to find some results. Any information collected in the form of numbers, words, measurements, symbols, or in any other form is called data.

The grouped data can be represented Byjus Maths Class 8 Notes Kit graphically for its clear picture and it is the easiest way to understand the data. When we represent the data through pictures or cllass then it is called Pictograph. In the bar graph, the information represented by the bars of the same width with equal gaps but the height of the bars represent the respective values. Here, the names of pets are represented on gradr horizontal line and the values of the respective pets are shown by the height of the bars.

There is an equal gap between each bar. To compare some data we can use the double bar graph as it shows the information of two quantities simultaneously. Here, in the above graph, it byjus maths class 10 notes grade the marks of the students in two different tests altogether.

So we can compare the marks easily. This raw data is arranged or grouped in a systematic manner to make it meaningful which is byjus maths class 10 notes grade the Presentation byjus maths class 10 notes grade Data. If we have a large number of quantities then we need to group the observation and then make the table.

Such a table is called a Grouped Frequency Distribution Table. Some Important terms related to grouped Frequency Distribution Table. Class Interval or Class: When all the observations are classified in several groups according to their size then these groups are called Class Interval.

Lower-class Limit: The lowest number in every class interval is known as its Lower-class Limit. Upper-class Limit: The highest number in every class interval byjus maths class 10 notes grade known as its Upper-class Limit. Width or Size or Magnitude of the Class Interval: The difference between the upper-class limit and the lower class limit is called the Size of the Class Interval. There is a list of marks of 40 students in a school.

Arrange this in grouped frequency distribution table. As we can see that the lowest number in the above data is 27 and the highest number matsh 78, so we can make intervals if flass - 30, 30 - 40 so on. Remark: As number 30 comes in two class grde but we cannot count it in both the intervals. So it is to remember that the common observation will always be counted in the higher class.

Hence 30 will come innot in Basically, the bar graph of the grouped frequency distribution or continuous class interval is called Histogram. The class intervals are shown on the horizontal line and the frequency of the class interval is shown as the height of the bars.

Draw a histogram for the wages of 30 workers in a company. The wages are graee follows:,,,,,,byjus maths class 10 notes grade,, Draw the histogram by taking the class interval on the horizontal line and the frequency on the vertical line.

Remark: As the class interval does not start from zero, so we will put a jagged line which shows that there is no number between 0 � vlass If we represent the data in a mathz form then it is said to be a pie chart. This graph shows the relationship between the whole and its.

We have to divide the circle into sectors and each sector is proportional to its respective activity. If we have kaths information in percentage then we need to calculate the respective angles to show them in the pie chart.

Probability tells the degree of uncertainty. It measures the likelihood that an event will occur. When we do an experiment then there could be different results, these possible results of the random experiment are called outcomes. If every outcome has the same possibility of occurring these outcomes are called Equally Likely Outcomes. If we throw a byjus maths class 10 notes grade then there is an equal chance of every no.

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Revision Notes on Data Handling Introduction to Data Handling Data handling means to collect and present the data so that it could byju used in further studies and to find some results. Data Any information collected in the form of numbers, words, measurements, symbols, or in any other form is called data. Graphical Representation of Data The grouped data can be represented graphically for its clear picture and it is the easiest way to understand the data.

Types of Graph 1. Pictograph When we represent the data through pictures or symbols then it is called Pictograph. Here one tree represents 10 trees. And we can bjjus read the pictograph. The graph shows that there classs 30 trees of apple and so on. Bar Graphs In the bar graph, the information represented by byjus maths class 10 notes grade bars of the same width with equal gaps but the height of the bars represent the respective values.

Double Bar Graph To compare some data we can use the double bar graph as it shows the information of two quantities simultaneously.

Organizing Data Any data which is available in the unorganized form is called Raw Data. Terms Related to Data Organizing 1. Frequency Frequency tells us the no. Frequency Distribution Table Frequency can be represented by the frequency distribution table. The above table shows the no. Frequency can also be shown by the tally marks.

A cut over four lines represents the number 5. Grouping Data If we have a large number of quantities then we need to group the observation and then make the table. Some Important terms related to grouped Frequency Distribution Table Class Interval or Class: When all the observations are classified in several groups according to their size then these groups are called Class Interval Lower-class Limit: The lowest number in every class interval is known as grde Lower-class Limit.

Example There is a list of marks of 40 students in a school. Solution As we can see that the lowest number in the above data is 27 and the highest number is 78, so we can make intervals if 20 - 30, 30 - 40 so on. Histogram Basically, the bar graph of the grouped frequency distribution or continuous class interval is called Histogram.

There is no gap between each bar. Example Draw a histogram for the wages of 30 workers in a company. Solution Make the grouped frequency distribution of the given data. Class Interval Frequency � 3 � 2 � 1 � 9 � 5 � 1 � ,aths � 1 � 1 � 4 Draw the histogram by taking the class interval on the horizontal line and the frequency on the vertical line. Circle Graph or Pie Chart If we represent the data in a circle form then it is said to be a pie chart.

We use it when we have information on percentage or fraction. Drawing of a Pie Chart If we have the information in percentage then we need to calculate the respective angles to show them in the pie chart.

Example Draw a pie chart of the following percentage of genres of movies liked by the public. Genres of Movie Percentage of the no. Chance and Probability Probability tells the degree of uncertainty. Random Experiment If the result of the experiment is not known then it is known as a random experiment.

Example If we throw a dice then the result could be any number from 1 � 6. Outcomes When we do an experiment then there could be different results, these possible results of the random experiment are called outcomes. Example There are two possible outcomes when we toss a coin i.

Equally Likely Outcomes If every outcome has mathss same possibility of occurring these outcomes are called Equally Likely Outcomes. Example If we throw a dice then there is an equal chance byjus maths class 10 notes grade every no. Linking Chances to the Probability Example What is the chance of byjus maths class 10 notes grade 3 when we throw a dice? Solution There is only one chance to get 3 in one byjus maths class 10 notes grade and the total possible outcomes are 6.

Outcomes as Events Each outcome or collection of outcomes of an experiment is known as an event. Example If we throw a dice then getting each outcome 1, 2, 3, 4, 5 and 6 are events. Example What is the event of getting odd numbers when we throw a dice? Solution The probability of getting an odd number is 3 odd numbers are 1, byjus maths class 10 notes grade, 5 The total number of outcomes is 6.

Example What is the probability of spinning yellow? Here number of chance to come yellow while spinning is 3.

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CBSE Class 10 Maths Statistics Notes: Download PDF HereThe brief notes on statistics for class 10 are given here. In this, we are going to discuss the important statistical concepts, such as grouped data, ungrouped data and the measures of central tendencies like mean, median and mode, methods to find the mean, median and mode, the relationship between them with more examples. Maths Formulas For Class 10 PDF 2/7 Where a, b, c, a, b, and c are all real numbers and a +b ? 0 & a + b ? 0 It should be noted that linear equations in two variables. *Books Price Subject to Change BYJU'S Learning App for Class 1 to Class 12 has become the most loved and preferred educational tools for students. With its highly adaptive, engaging and effective learning programs. The personalised learning programs have been designed to adapt to the unique learning style of every st.

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